PROBLEM TO BE SOLVED: To provide the subject machine characterized by that, in a relatively small-scale tea garden such as one located on a slope land in the mountains, rails are auxiliarily laid, and a twin-seated portable plucker or the like ordinarily managed by such a tea farmer is supported by an attachment equipped with wheels to conduct a plucking operation or the like while allowing the plucker to travel on the rails so as to afford uniform pruned face or plucked face or the like. SOLUTION: This simplified tea garden management machine 1 is characterized by being mounted with a management machine unit 2 intended for substantial management work such as pruning or plucking operation and a leg attachment 3 supporting both ends of the unit 2; wherein as the unit 2, twin-seated portable one is applied, and the leg attachment 3 has wheels 31 on the lower end thereof so that the wheels roll on rails R laid between tea ridges T.